161215645116720

Names of 161215645116720

• Cardinal: 161215645116720 can be written as One hundred sixty-one trillion, two hundred fifteen billion, six hundred forty-five million, one hundred sixteen thousand, seven hundred twenty.

Scientific notation

• Scientific notation: 1.6121564511672 × 10¹⁴

Factors of 161215645116720

• Number of distinct prime factors ω(n): 7
• Total number of prime factors Ω(n): 12
• Sum of prime factors: 1214

Divisors of 161215645116720

• Number of divisors d(n): 720
• Complete list of divisors:
  1 2 3 4 5 6 8 10 12 15 16 17 20 23 24 30 34 40 46 48 51 60 68 69 80 85 92 102 115 120 136 138 170 184 204 230 240 255 272 276 289 340 345 353 368 391 408 460 510 552 578 680 690 706 782 811 816 867 920 1020 1059 1104 1156 1173 1360 1380 1412 1445 1564 1622 1734 1765 1840 1955 2040 2118 2312 2346 2433 2760 2824 2890 3128 3244 3468 3530 3910 4055 4080 4236 4335 4624 4692 4866 5295 5520 5648 5780 5865 6001 6256 6488 6647 6936 7060 7820 8110 8119 8472 8670 9384 9732 10590 11560 11730 12002 12165 12976 13294 13787 13872 14120 15640 16220 16238 16944 17340 18003 18653 18768 19464 19941 21180 23120 23460 24004 24330 24357 26588 27574 28240 30005 31280 32440 32476 33235 34680 36006 37306 38928 39882 40595 41361 42360 46920 48008 48660 48714 53176 55148 55959 60010 64880 64952 66470 68935 69360 72012 74612 79764 81190 82722 84720 90015 93265 93840 96016 97320 97428 99705 102017 106352 110296 111918 120020 121785 124609 129904 132940 137870 138023 144024 149224 159528 162380 165444 180030 186530 194640 194856 199410 204034 206805 220592 223836 234379 240040 243570 249218 265880 275740 276046 279795 286283 288048 298448 306051 317101 319056 324760 330888 360060 373060 373827 389712 398820 408068 413610 414069 447672 468758 480080 487140 498436 510085 531760 551480 552092 559590 572566 612102 623045 634202 649520 661776 690115 703137 720120 746120 747654 797640 816136 827220 828138 858849 895344 937516 951303 974280 996872 1020170 1102960 1104184 1119180 1145132 1171895 1224204 1246090 1268404 1380230 1406274 1431415 1440240 1492240 1495308 1530255 1585505 1595280 1632272 1654440 1656276 1717698 1869135 1875032 1902606 1948560 1993744 2040340 2070345 2118353 2208368 2238360 2290264 2343790 2346391 2448408 2492180 2536808 2760460 2812548 2862830 2866007 2990616 3060510 3171010 3308880 3312552 3435396 3515685 3738270 3750064 3805212 4080680 4140690 4236706 4294245 4476720 4580528 4687580 4692782 4756515 4866811 4896816 4984360 5073616 5390717 5520920 5625096 5725660 5732014 5981232 6121020 6342020 6355059 6584509 6625104 6870792 7031370 7039173 7476540 7610424 8161360 8281380 8473412 8588490 8598021 9375160 9385564 9513030 9733622 9968720 10591765 10781434 11041840 11250192 11451320 11464028 11731955 12242040 12684040 12710118 13169018 13741584 14062740 14078346 14330035 14600433 14953080 15220848 16172151 16562760 16946824 17176980 17196042 18750320 18771128 19026060 19467244 19753527 21183530 21562868 22902640 22928056 23463910 24334055 24484080 25368080 25420236 26338036 26953585 28125480 28156692 28660070 29200866 29906160 31775295 32344302 32922545 33125520 33893648 34353960 34392084 35195865 36012001 37542256 38052120 38934488 39507054 42367060 42990105 43125736 45856112 46927820 48668110 48722119 50840472 52676072 53907170 56250960 56313384 57320140 58401732 63550590 64688604 65845090 68707920 68784168 70391730 72024002 73002165 76104240 77868976 79014108 80860755 82735787 84734120 85980210 86251472 93855640 97336220 97444238 98767635 101057899 101680944 105352144 107814340 108036003 111936653 112626768 114640280 116803464 127101180 129377208 131690180 137568336 140783460 144048004 146004330 146166357 158028216 161721510 165471574 169468240 171960420 180060005 187711280 194672440 194888476 197535270 202115798 215628680 216072006 223873306 229280560 233606928 243610595 248207361 254202360 258754416 263380360 281566920 288096008 292008660 292332714 303173697 316056432 323443020 330943148 335809959 343920840 360120010 389344880 389776952 395070540 404231596 413678935 431257360 432144012 447746612 487221190 496414722 505289495 508404720 526760720 540180015 559683265 563133840 576192016 584017320 584665428 606347394 646886040 661886296 671619918 687841680 720240020 730831785 779553904 790141080 808463192 827357870 828276023 864288024 895493224 974442380 992829444 1010578990 1080360030 1119366530 1168034640 1169330856 1212694788 1241036805 1293772080 1323772592 1343239836 1440480040 1461663570 1515868485 1580282160 1616926384 1654715740 1656552046 1679049795 1717984283 1728576048 1790986448 1902923101 1948884760 1985658888 2021157980 2160720060 2238733060 2324331677 2338661712 2425389576 2482073610 2484828069 2686479672 2880960080 2923327140 3031736970 3309431480 3313104092 3358099590 3435968566 3805846202 3897769520 3971317776 4042315960 4141380115 4321440120 4477466120 4648663354 4850779152 4964147220 4969656138 5153952849 5372959344 5708769303 5846654280 6063473940 6618862960 6626208184 6716199180 6871937132 6972995031 7611692404 8084631920 8282760230 8589921415 8642880240 8954932240 9297326708 9514615505 9928294440 9939312276 10307905698 11417538606 11621658385 11693308560 12126947880 12424140345 13252416368 13432398360 13743874264 13945990062 15223384808 16565520460 17179842830 18594653416 19029231010 19856588880 19878624552 20615811396 22835077212 23243316770 24253895760 24848280690 25769764245 26864796720 27487748528 27891980124 28543846515 29205732811 30446769616 33131040920 34359685660 34864975155 37189306832 38058462020 39513638509 39757249104 41231622792 45670154424 46486633540 49696561380 51539528490 55783960248 57087693030 58411465622 66262081840 68719371320 69729950310 76116924040 79027277018 82463245584 87617198433 91340308848 92973267080 99393122760 103079056980 111567920496 114175386060 116822931244 118540915527 137438742640 139459900620 146028664055 152233848080 158054554036 175234396866 185946534160 197568192545 198786245520 206158113960 228350772120 233645862488 237081831054 278919801240 292057328110 316109108072 350468793732 395136385090 412316227920 438085992165 456701544240 467291724976 474163662108 557839602480 584114656220 592704577635 632218216144 671731854653 700937587464 790272770180 876171984330 948327324216 1168229312440 1185409155270 1343463709306 1401875174928 1580545540360 1752343968660 1896654648432 2015195563959 2336458624880 2370818310540 2686927418612 3161091080720 3358659273265 3504687937320 4030391127918 4741636621080 5373854837224 6717318546530 7009375874640 8060782255836 9483273242160 10075977819795 10747709674448 13434637093060 16121564511672 20151955639590 26869274186120 32243129023344 40303911279180 53738548372240 80607822558360 161215645116720
• Sum of all divisors σ(n): 556237193041152
• Sum of proper divisors (its aliquot sum) s(n): 395021547924432
• 161215645116720 is an abundant number, because the sum of its proper divisors (395021547924432) is greater than itself. Its abundance is 233805902807712

Bases of 161215645116720

• Binary: 100100101001111111110001010000100110100100110000₂
• Hexadecimal: 0x929FF1426930
• Base-36: 1L59G0MYPC

Squares and roots of 161215645116720

• 161215645116720 squared (161215645116720²) is 25990484230400205182423558400
• 161215645116720 cubed (161215645116720³) is 4190072682099907005989068579543645736448000
• The square root of 161215645116720 is 12697072.3049339213
• The cube root of 161215645116720 is 54425.4959420417

Scales and comparisons

• 161,215,645,116,720 seconds is equal to 5,126,158 years, 43 weeks, 5 days, 11 hours, 32 minutes.
• To count from 1 to 161,215,645,116,720 would take you about twelve million, eight hundred fifteen thousand, three hundred ninety-seven years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 161215645116720 cubic inches would be around 4535.5 feet tall.

Recreational maths with 161215645116720

• 161215645116720 backwards is 027611546512161
• 161215645116720 is a Harshad number.
• The number of decimal digits it has is: 15
• The sum of 161215645116720's digits is 48
• More coming soon!